The impact of power rationing on the production of the Mirador copper mine led to a 16.9% YoY decline in the net profit of China Railway Construction Tongguan, a subsidiary of Tongling Nonferrous Metals, in 2024. According to the performance report released by Tongling Nonferrous Metals on March 29, the subsidiary's total operating revenue in 2024 was 8.027 billion yuan, up 0.14% YoY. Operating profit was 2.432 billion yuan, down 15.15% YoY. Total profit was 2.435 billion yuan, down 15.06% YoY. Net profit was 1.487 billion yuan, down 16.9% YoY.